1. National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province Huaiyin Institute of Technology 1# Meicheng Road Huaian 223003 P. R. China
2. New Energy Chemicals Inc. 3# Hexing Road Hede Hi-tech. Park Yancheng 224300 P. R. China